Global Patent Index - EP 0511540 B2

EP 0511540 B2 20021030 - Water-soluble sulfoethyl ethers of cellulose with very good solubility and process for their preparation

Title (en)

Water-soluble sulfoethyl ethers of cellulose with very good solubility and process for their preparation

Title (de)

Wasserlösliche Sulfoethylcelluloseether mit sehr guter Lösungsqualität und Verfahren zu ihrer Herstellung

Title (fr)

Sulfoéthyléthers de la cellulose solubles dans l'eau ayant de très bonne qualité de solubilité et procédé de préparation

Publication

EP 0511540 B2 20021030 (DE)

Application

EP 92106382 A 19920414

Priority

DE 4113892 A 19910427

Abstract (en)

[origin: CA2067015A1] WATER-SOLUBLE SULFOETHYL CELLULOSE ETHERS OF VERY HIGH SOLUTION QUALITY AND A PROCESS FOR THEIR PRODUCTION A b s t r a c t The invention relates to water-soluble sulfoethyl cellulose ethers, more particularly methyl sulfoethyl cellulose ether (MSEC), of very high solution quality, to a process for its production and to the use of these products as thickeners, dispersants or binders. WW 5319

IPC 1-7

C08B 11/193

IPC 8 full level

C09K 23/48 (2022.01); C08B 11/10 (2006.01); C08B 11/193 (2006.01); C09D 7/00 (2006.01); C09J 101/00 (2006.01); C09J 101/28 (2006.01); C09K 3/00 (2006.01); C09K 23/00 (2022.01); C11D 3/22 (2006.01)

CPC (source: EP US)

C08B 11/10 (2013.01 - EP US); C08B 11/193 (2013.01 - EP US); C09D 7/43 (2018.01 - EP US); C09K 23/00 (2022.01 - EP US); C11D 3/228 (2013.01 - EP US); C08L 1/28 (2013.01 - EP US)

Designated contracting state (EPC)

BE DE FR IT NL SE

DOCDB simple family (publication)

EP 0511540 A2 19921104; EP 0511540 A3 19930505; EP 0511540 B1 19960710; EP 0511540 B2 20021030; CA 2067015 A1 19921028; DE 4113892 A1 19921029; DE 59206727 D1 19960814; JP 3319613 B2 20020903; JP H05178901 A 19930720; US 5278304 A 19940111

DOCDB simple family (application)

EP 92106382 A 19920414; CA 2067015 A 19920424; DE 4113892 A 19910427; DE 59206727 T 19920414; JP 12540392 A 19920420; US 87137792 A 19920420